|
US987080A
|
|
Steam air-pump governor.
|
|
US986592A
|
|
Valve mechanism.
|
|
US953349A
|
|
Brake-valve.
|
|
US958176A
|
|
Brake-valve.
|
|
US942280A
|
|
Engineer's valve for train-brakes.
|
|
US915112A
|
|
Electric and pneumatic governor.
|
|
US903502A
|
|
Emergency-valve.
|
|
US897657A
|
|
Electric and pneumatic governor.
|
|
US871360A
|
|
Electric and pneumatic governor.
|
|
US872369A
|
|
Brake-cylinder.
|
|
US877369A
|
|
Electropneumatic-machine.
|
|
US835468A
|
|
Engineer's valve.
|
|
US850329A
|
|
Electric and pneumatic governor.
|
|
US835467A
|
|
Engineer's valve.
|
|
US804909A
|
|
Engineer's valve.
|
|
US806150A
|
|
Electric and pneumatic governor.
|
|
US795726A
|
|
Electric and pneumatic governor.
|
|
US772457A
|
|
Hydrostatic or pneumatic piston.
|
|
US769563A
|
|
Knockdown inclosure for motor-compressors.
|
|
US743022A
|
|
Engineer's valve.
|
